catecholamine
noun
cat·e·chol·amine
ˌka-tə-ˈkō-lə-ˌmēn 
-ˈkȯ-
: any of various amines (such as epinephrine, norepinephrine, and dopamine) that function as hormones or neurotransmitters or both
Examples of catecholamine in a Sentence
Recent Examples on the Web
These chemicals, known as catecholamines, help your nervous system work properly.10
Catecholamines play an important role in your body's response to stress.
—
Isabel Vasquez Rd Ldn, Health, 16 Mar. 2025
Examples of catecholamines are epinephrine (adrenaline) and norepinephrine (noradrenaline).3 However, ephedrine also comes with serious risks, such as heart attacks, seizures, stroke, and sudden death.1
Caffeine: Caffeine may have similar metabolic effects as ephedra.
—Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 17 Jan. 2025
Ephedrine releases catecholamine chemicals in your body.
—Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 17 Jan. 2025
This reaction increases catecholamine levels, raising heart rate and blood pressure.
—Aliss Higham, Newsweek, 10 Jan. 2025
This article explains how catecholamines function, what high or low levels may indicate, ways a healthcare provider may test your catecholamine levels, and prognosis.
—Michelle Pugle, Verywell Health, 13 Aug. 2024
Tyrosine also helps make catecholamine neurotransmitters, which play an important role in the body's stress response.
—Lindsey Desoto, Rd, Ld, Health, 10 Aug. 2024
The condition is thought to be a response to significant emotional or psychological distress, causing the body to release toxic levels of catecholamines.
—Colleen Doherty, Verywell Health, 11 July 2024
Adrenaline, also known as epinephrine, is a catecholamine, a class of hormones the nervous system makes in response to stress.
—Nick Blackmer, Verywell Health, 23 June 2023
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Isabel Vasquez Rd Ldn, Health, 16 Mar. 2025
Examples of catecholamines are epinephrine (adrenaline) and norepinephrine (noradrenaline).3 However, ephedrine also comes with serious risks, such as heart attacks, seizures, stroke, and sudden death.1
Caffeine: Caffeine may have similar metabolic effects as ephedra.
—Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 17 Jan. 2025
Ephedrine releases catecholamine chemicals in your body.
—Ross Phan, Pharmd, Bcacp, Bcgp, Bcps, Verywell Health, 17 Jan. 2025
This reaction increases catecholamine levels, raising heart rate and blood pressure.
—Aliss Higham, Newsweek, 10 Jan. 2025
This article explains how catecholamines function, what high or low levels may indicate, ways a healthcare provider may test your catecholamine levels, and prognosis.
—Michelle Pugle, Verywell Health, 13 Aug. 2024
Tyrosine also helps make catecholamine neurotransmitters, which play an important role in the body's stress response.
—Lindsey Desoto, Rd, Ld, Health, 10 Aug. 2024
The condition is thought to be a response to significant emotional or psychological distress, causing the body to release toxic levels of catecholamines.
—Colleen Doherty, Verywell Health, 11 July 2024
Adrenaline, also known as epinephrine, is a catecholamine, a class of hormones the nervous system makes in response to stress.
—Nick Blackmer, Verywell Health, 23 June 2023
Cite this Entry
“Catecholamine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catecholamine. Accessed 20 May. 2025.
Copy CitationMedical Definition
catecholamine
noun
cat·e·chol·amine
ˌkat-ə-ˈkō-lə-ˌmēn, -ˈkȯ-
: any of various amines (as epinephrine, norepinephrine, and dopamine) that contain a dihydroxy benzene ring, that are derived from tyrosine, and that function as hormones or neurotransmitters or both
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